$.(15$ points$)$ The company is trying to categorize all properties into $$A$$ and $$B$$ groups. Add information to column I with column heading $$Category$.$ Any property having at most $$10,000$ difference between its asking and selling price, regardless of which one is higher, and with at most $50$ days on the market before it$$s sold is categorized as $$A$,$ otherwise $$B$.$ Hint: you might want to consider using the function ABS to find out the absolute difference between two numbers; f$.(5$ points$)$ Add a conditional formatting rule to column I so that all category $$A$$ cells be displayed in Green Fill with Dark Green Text;